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压下量
rolling reduction
- 利用有限元软件仿真了钢管的定径过程，研究了轧辊压下量、摩擦系数和管壁厚度等与轧制力的关系。
The sizing process of steel tube was simulated. Relation between rolling reduction, friction coefficient, wall thickness and rolling force was studied. - 在实际矫直时，实际设定压下量应为理论压下量与腹板凹陷量之和，可取得理想的矫直效果。
In order to obtain an ideal straightening effect, the actual bending deflection should be the sum of the theoretical bending deflection and the web falling. - 再轧制实验，获得了不同开轧温度和轧制压下量对组织性能影响数据。
Through the rolling experiments, the influencing regularity of the rolling starting temperature and the rolling reduction on the microstructure and the mechanical properties has been obtained.
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